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Compare Fractal Design Epoch XL White vs NZXT H2 Flow

Fractal Design Epoch XL White and NZXT H2 Flow are both cases with the same Internal 2.5" Drive Bays (2) and Front Panel I/O (USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C). The main differences are in Internal 3.5" Drive Bays, Motherboard Compatibility, Dimensions and Volume.
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Brand
Fractal Design
Brand
NZXT
Model
FD-C-EPO1X-03
Model
CI-H21FB-01
Release Date
📅 December 2025
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Compatible PC parts
Compatible PC parts
Type
ATX Full Tower
Type
Mini ITX Tower
Color
White
Color
Black
Includes Power Supply
No
Includes Power Supply
No
External 5.25" Drive Bays
0
External 5.25" Drive Bays
0
External 3.5" Drive Bays
0
External 3.5" Drive Bays
0
Internal 2.5" Drive Bays
2
Internal 2.5" Drive Bays
2
Internal 3.5" Drive Bays
2
Internal 3.5" Drive Bays
0
Motherboard Compatibility
ATX, EATX, Micro ATX, Mini ITX
Motherboard Compatibility
Mini ITX
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Dimensions
503 mm x 240 mm x 509 mm
Dimensions
263 mm x 181 mm x 435 mm
Volume
61 L
Volume
21 L
Max VGA length allowance
425 mm
Max VGA length allowance
331 mm
Expansion Slots
7
Expansion Slots
3
Back Connect Support
Yes
Back Connect Support
No
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Comparison and key differences summary

Reasons to buy the Fractal Design Epoch XL White:

  • 13% cheaper, you can save $20.00
  • Supports back-connect
  • +2 internal 3.5" bays
  • Additional VGA length allowance (+94.00mm)
  • +4 Expansion slots
  • Supports the following motherboard formats: ATX, EATX, Micro ATX
  • Hugely more space available (+66% total case volume)

Buy now

Reasons to buy the NZXT H2 Flow:

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